Contrex ML-TRIM Manual de usuario Pagina 12

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EXAMPLES OF ML–TRIM
APPLICATIONS
Figure 1-1 is an example of a Master mode of operation for a pump application. The
scaling format allows the operator to enter a setpoint in Engineering Units of gallons per
minute. The ML–Trim compares the sensor shaft feedback to the scaled setpoint and
calculates any speed error. When the ML–Trim finds speed error, the control algorithm
adjusts the Speed Command Out to the motor drive and reduces the error to zero.
Figure 1-1 ML–Trim Master Mode
Motor Drive ML–Trim
Motor
Sensor
Pump
Feedback Frequency
Speed
Command
Out
Contrex
CODE
SELECT
SET
POINT
TACH
7
89
456
1
23
0
.
ENTER
CLEAR
ontrex
C
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